Is all routers support DSCP(DiffServ code point)?

I am programming a application with RSVP,I have a router now,but I don't know whether it understand IP Precedence,
if the router support DSCP,how do I enable it?
any help on this subject will be appreciated!

DSCP should be a feature on a selection of Cisco routers with an IOS higher than 12.1. This link has the supported platforms and the syntax for use.
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122t/122t2/dscprsvp.htm#36713

qeoffryn:
no,it is not a Cisco router,I know it doesn't support DSCP
now.but can u tell me what type of router support DSCP(example for Cisco Routers)?and how do I enable DSCP if
the router support it.
thanks a lot :)

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